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polyurethane sandwich panel
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Product Details
| CAS No. | 9009-54-5 | Place of Origin | Shanghai, China | |
| Type | Other | Brand Name | Dongda | |
| Model Number | DBC-402B |
Product Description
Specifications
polyurethane sandwich panelgood thermal insulation
high compression strength
good flame retardant
Product Introduction
Polyurethane sandwich panel DBC-402B is a compound which consists of polyether polyols, surfactants, catalysts, foaming agent and flame retardant in a special ratio. the main characteristics are as follows,
1.good thermal insulation property
2.high compression strength .
3. good flame retardant
It is widely used to produce sandwich plates, corrugated plates etc, which applies to make cold stores, cabinets, portable shelters and so on
Physical Property
Appearance Hydroxyl value mgKOH/g Dynamic viscosity (25°C) mPa.S Density (20°C) g/ml Storage temperature °C Storage stability month | Light yellow transparent viscous liquid 300-360 250-350 1.10-1.16 10-25 6 |
Recommended Ratio
Raw materials | pbw |
DBC-402B blend polyols Isocyanate | 100 100-120 |
Technology and Reactivity((the exact value varies depending on processing conditions)
items | Manual mixing | High temperature machine |
Raw material temperature °C Moulding temperature °C Cream time s Gel time s Free density kg/m3 | 20-25 35-45 30-50 120-200 24-26 | 20-25 35-45 20-30 70-150 23-26 |
Foam Performance
Moulding density Closed-cell rate Thermal conductivity(15°C) Compression strength(perpendicular to the direction of rising) Dimensional stability 24h -20°C 24h 100°C Flame retardant grade | GB 6343 GB 10799 GB 3399 GB/T 8813
GB/T 8811
GB/T8624 | ≥38kg/m3 ≥90% ≤22mW/(m.K) ≥140kPa
≤1% ≤1.5% Level B3 or B2 |
The data provided above are typical value, which are tested by our company. For our company's products, the data included in the law do not have any constraints.
Contact Us
- Shanghai Dongda Polyurethane Co., Ltd.
- Contact namePan Li Chat Now
- Phone86-21-57248959,15900416162
- AddressNo. 307, Shanning Road, Shanyang Town
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